xref: /openbmc/qemu/Makefile (revision 761d524d)
1# Makefile for QEMU.
2
3# Always point to the root of the build tree (needs GNU make).
4BUILD_DIR=$(CURDIR)
5
6# All following code might depend on configuration variables
7ifneq ($(wildcard config-host.mak),)
8# Put the all: rule here so that config-host.mak can contain dependencies.
9all:
10include config-host.mak
11
12# Check that we're not trying to do an out-of-tree build from
13# a tree that's been used for an in-tree build.
14ifneq ($(realpath $(SRC_PATH)),$(realpath .))
15ifneq ($(wildcard $(SRC_PATH)/config-host.mak),)
16$(error This is an out of tree build but your source tree ($(SRC_PATH)) \
17seems to have been used for an in-tree build. You can fix this by running \
18"make distclean && rm -rf *-linux-user *-softmmu" in your source tree)
19endif
20endif
21
22CONFIG_SOFTMMU := $(if $(filter %-softmmu,$(TARGET_DIRS)),y)
23CONFIG_USER_ONLY := $(if $(filter %-user,$(TARGET_DIRS)),y)
24CONFIG_ALL=y
25-include config-all-devices.mak
26-include config-all-disas.mak
27
28include $(SRC_PATH)/rules.mak
29config-host.mak: $(SRC_PATH)/configure
30	@echo $@ is out-of-date, running configure
31	@sed -n "/.*Configured with/s/[^:]*: //p" $@ | sh
32else
33config-host.mak:
34ifneq ($(filter-out %clean,$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
35	@echo "Please call configure before running make!"
36	@exit 1
37endif
38endif
39
40GENERATED_HEADERS = config-host.h qemu-options.def
41GENERATED_HEADERS += qmp-commands.h qapi-types.h qapi-visit.h
42GENERATED_SOURCES += qmp-marshal.c qapi-types.c qapi-visit.c
43
44GENERATED_HEADERS += trace/generated-events.h
45GENERATED_SOURCES += trace/generated-events.c
46
47GENERATED_HEADERS += trace/generated-tracers.h
48ifeq ($(TRACE_BACKEND),dtrace)
49GENERATED_HEADERS += trace/generated-tracers-dtrace.h
50endif
51GENERATED_SOURCES += trace/generated-tracers.c
52
53# Don't try to regenerate Makefile or configure
54# We don't generate any of them
55Makefile: ;
56configure: ;
57
58.PHONY: all clean cscope distclean dvi html info install install-doc \
59	pdf recurse-all speed test dist
60
61$(call set-vpath, $(SRC_PATH))
62
63LIBS+=-lz $(LIBS_TOOLS)
64
65HELPERS-$(CONFIG_LINUX) = qemu-bridge-helper$(EXESUF)
66
67ifdef BUILD_DOCS
68DOCS=qemu-doc.html qemu-tech.html qemu.1 qemu-img.1 qemu-nbd.8 QMP/qmp-commands.txt
69ifdef CONFIG_VIRTFS
70DOCS+=fsdev/virtfs-proxy-helper.1
71endif
72else
73DOCS=
74endif
75
76SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory) BUILD_DIR=$(BUILD_DIR)
77SUBDIR_DEVICES_MAK=$(patsubst %, %/config-devices.mak, $(TARGET_DIRS))
78SUBDIR_DEVICES_MAK_DEP=$(patsubst %, %-config-devices.mak.d, $(TARGET_DIRS))
79
80ifeq ($(SUBDIR_DEVICES_MAK),)
81config-all-devices.mak:
82	$(call quiet-command,echo '# no devices' > $@,"  GEN   $@")
83else
84config-all-devices.mak: $(SUBDIR_DEVICES_MAK)
85	$(call quiet-command, sed -n \
86             's|^\([^=]*\)=\(.*\)$$|\1:=$$(findstring y,$$(\1)\2)|p' \
87             $(SUBDIR_DEVICES_MAK) | sort -u > $@, \
88             "  GEN   $@")
89endif
90
91-include $(SUBDIR_DEVICES_MAK_DEP)
92
93%/config-devices.mak: default-configs/%.mak
94	$(call quiet-command,$(SHELL) $(SRC_PATH)/scripts/make_device_config.sh $@ $<, "  GEN   $@")
95	@if test -f $@; then \
96	  if cmp -s $@.old $@; then \
97	    mv $@.tmp $@; \
98	    cp -p $@ $@.old; \
99	  else \
100	    if test -f $@.old; then \
101	      echo "WARNING: $@ (user modified) out of date.";\
102	    else \
103	      echo "WARNING: $@ out of date.";\
104	    fi; \
105	    echo "Run \"make defconfig\" to regenerate."; \
106	    rm $@.tmp; \
107	  fi; \
108	 else \
109	  mv $@.tmp $@; \
110	  cp -p $@ $@.old; \
111	 fi
112
113defconfig:
114	rm -f config-all-devices.mak $(SUBDIR_DEVICES_MAK)
115
116ifneq ($(wildcard config-host.mak),)
117include $(SRC_PATH)/Makefile.objs
118include $(SRC_PATH)/tests/Makefile
119endif
120ifeq ($(CONFIG_SMARTCARD_NSS),y)
121include $(SRC_PATH)/libcacard/Makefile
122endif
123
124all: $(DOCS) $(TOOLS) $(HELPERS-y) recurse-all
125
126config-host.h: config-host.h-timestamp
127config-host.h-timestamp: config-host.mak
128qemu-options.def: $(SRC_PATH)/qemu-options.hx
129	$(call quiet-command,sh $(SRC_PATH)/scripts/hxtool -h < $< > $@,"  GEN   $@")
130
131SUBDIR_RULES=$(patsubst %,subdir-%, $(TARGET_DIRS))
132SOFTMMU_SUBDIR_RULES=$(filter %-softmmu,$(SUBDIR_RULES))
133
134$(SOFTMMU_SUBDIR_RULES): config-all-devices.mak
135
136subdir-%:
137	$(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $* V="$(V)" TARGET_DIR="$*/" all,)
138
139subdir-pixman: pixman/Makefile
140	$(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C pixman V="$(V)" all,)
141
142pixman/Makefile: $(SRC_PATH)/pixman/configure
143	(cd pixman; CFLAGS="$(CFLAGS) -fPIC $(extra_cflags) $(extra_ldflags)" $(SRC_PATH)/pixman/configure $(AUTOCONF_HOST) --disable-gtk --disable-shared --enable-static)
144
145$(SRC_PATH)/pixman/configure:
146	(cd $(SRC_PATH)/pixman; autoreconf -v --install)
147
148DTC_MAKE_ARGS=-I$(SRC_PATH)/dtc VPATH=$(SRC_PATH)/dtc -C dtc V="$(V)" LIBFDT_srcdir=$(SRC_PATH)/dtc/libfdt
149DTC_CFLAGS=$(CFLAGS) $(QEMU_CFLAGS)
150DTC_CPPFLAGS=-I$(BUILD_DIR)/dtc -I$(SRC_PATH)/dtc -I$(SRC_PATH)/dtc/libfdt
151
152subdir-dtc:dtc/libfdt dtc/tests
153	$(call quiet-command,$(MAKE) $(DTC_MAKE_ARGS) CPPFLAGS="$(DTC_CPPFLAGS)" CFLAGS="$(DTC_CFLAGS)" LDFLAGS="$(LDFLAGS)" ARFLAGS="$(ARFLAGS)" CC="$(CC)" AR="$(AR)" LD="$(LD)" $(SUBDIR_MAKEFLAGS) libfdt/libfdt.a,)
154
155dtc/%:
156	mkdir -p $@
157
158$(SUBDIR_RULES): libqemuutil.a libqemustub.a $(common-obj-y)
159
160ROMSUBDIR_RULES=$(patsubst %,romsubdir-%, $(ROMS))
161romsubdir-%:
162	$(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C pc-bios/$* V="$(V)" TARGET_DIR="$*/",)
163
164ALL_SUBDIRS=$(TARGET_DIRS) $(patsubst %,pc-bios/%, $(ROMS))
165
166recurse-all: $(SUBDIR_RULES) $(ROMSUBDIR_RULES)
167
168bt-host.o: QEMU_CFLAGS += $(BLUEZ_CFLAGS)
169
170version.o: $(SRC_PATH)/version.rc config-host.h | version.lo
171version.lo: $(SRC_PATH)/version.rc config-host.h
172
173version-obj-$(CONFIG_WIN32) += version.o
174version-lobj-$(CONFIG_WIN32) += version.lo
175
176Makefile: $(version-obj-y) $(version-lobj-y)
177
178######################################################################
179# Build libraries
180
181libqemustub.a: $(stub-obj-y)
182libqemuutil.a: $(util-obj-y) qapi-types.o qapi-visit.o
183
184######################################################################
185
186qemu-img.o: qemu-img-cmds.h
187
188qemu-img$(EXESUF): qemu-img.o $(block-obj-y) libqemuutil.a libqemustub.a
189qemu-nbd$(EXESUF): qemu-nbd.o $(block-obj-y) libqemuutil.a libqemustub.a
190qemu-io$(EXESUF): qemu-io.o $(block-obj-y) libqemuutil.a libqemustub.a
191
192qemu-bridge-helper$(EXESUF): qemu-bridge-helper.o
193
194fsdev/virtfs-proxy-helper$(EXESUF): fsdev/virtfs-proxy-helper.o fsdev/virtio-9p-marshal.o libqemuutil.a libqemustub.a
195fsdev/virtfs-proxy-helper$(EXESUF): LIBS += -lcap
196
197qemu-img-cmds.h: $(SRC_PATH)/qemu-img-cmds.hx
198	$(call quiet-command,sh $(SRC_PATH)/scripts/hxtool -h < $< > $@,"  GEN   $@")
199
200qemu-ga$(EXESUF): LIBS = $(LIBS_QGA)
201qemu-ga$(EXESUF): QEMU_CFLAGS += -I qga/qapi-generated
202
203gen-out-type = $(subst .,-,$(suffix $@))
204
205qapi-py = $(SRC_PATH)/scripts/qapi.py $(SRC_PATH)/scripts/ordereddict.py
206
207qga/qapi-generated/qga-qapi-types.c qga/qapi-generated/qga-qapi-types.h :\
208$(SRC_PATH)/qga/qapi-schema.json $(SRC_PATH)/scripts/qapi-types.py $(qapi-py)
209	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-types.py $(gen-out-type) -o qga/qapi-generated -p "qga-" < $<, "  GEN   $@")
210qga/qapi-generated/qga-qapi-visit.c qga/qapi-generated/qga-qapi-visit.h :\
211$(SRC_PATH)/qga/qapi-schema.json $(SRC_PATH)/scripts/qapi-visit.py $(qapi-py)
212	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-visit.py $(gen-out-type) -o qga/qapi-generated -p "qga-" < $<, "  GEN   $@")
213qga/qapi-generated/qga-qmp-commands.h qga/qapi-generated/qga-qmp-marshal.c :\
214$(SRC_PATH)/qga/qapi-schema.json $(SRC_PATH)/scripts/qapi-commands.py $(qapi-py)
215	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-commands.py $(gen-out-type) -o qga/qapi-generated -p "qga-" < $<, "  GEN   $@")
216
217qapi-types.c qapi-types.h :\
218$(SRC_PATH)/qapi-schema.json $(SRC_PATH)/scripts/qapi-types.py $(qapi-py)
219	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-types.py $(gen-out-type) -o "." -b < $<, "  GEN   $@")
220qapi-visit.c qapi-visit.h :\
221$(SRC_PATH)/qapi-schema.json $(SRC_PATH)/scripts/qapi-visit.py $(qapi-py)
222	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-visit.py $(gen-out-type) -o "." -b < $<, "  GEN   $@")
223qmp-commands.h qmp-marshal.c :\
224$(SRC_PATH)/qapi-schema.json $(SRC_PATH)/scripts/qapi-commands.py $(qapi-py)
225	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-commands.py $(gen-out-type) -m -o "." < $<, "  GEN   $@")
226
227QGALIB_GEN=$(addprefix qga/qapi-generated/, qga-qapi-types.h qga-qapi-visit.h qga-qmp-commands.h)
228$(qga-obj-y) qemu-ga.o: $(QGALIB_GEN)
229
230qemu-ga$(EXESUF): $(qga-obj-y) libqemuutil.a libqemustub.a
231	$(call LINK, $^)
232
233clean:
234# avoid old build problems by removing potentially incorrect old files
235	rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h
236	rm -f qemu-options.def
237	find . -name '*.[oda]' -type f -exec rm -f {} +
238	find . -name '*.l[oa]' -type f -exec rm -f {} +
239	rm -f $(TOOLS) $(HELPERS-y) qemu-ga TAGS cscope.* *.pod *~ */*~
240	rm -Rf .libs
241	rm -f qemu-img-cmds.h
242	@# May not be present in GENERATED_HEADERS
243	rm -f trace/generated-tracers-dtrace.dtrace*
244	rm -f trace/generated-tracers-dtrace.h*
245	rm -f $(foreach f,$(GENERATED_HEADERS),$(f) $(f)-timestamp)
246	rm -f $(foreach f,$(GENERATED_SOURCES),$(f) $(f)-timestamp)
247	rm -rf qapi-generated
248	rm -rf qga/qapi-generated
249	$(MAKE) -C tests/tcg clean
250	for d in $(ALL_SUBDIRS); do \
251	if test -d $$d; then $(MAKE) -C $$d $@ || exit 1; fi; \
252	rm -f $$d/qemu-options.def; \
253        done
254
255VERSION ?= $(shell cat VERSION)
256
257dist: qemu-$(VERSION).tar.bz2
258
259qemu-%.tar.bz2:
260	$(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)"
261
262distclean: clean
263	rm -f config-host.mak config-host.h* config-host.ld $(DOCS) qemu-options.texi qemu-img-cmds.texi qemu-monitor.texi
264	rm -f config-all-devices.mak config-all-disas.mak
265	rm -f roms/seabios/config.mak roms/vgabios/config.mak
266	rm -f qemu-doc.info qemu-doc.aux qemu-doc.cp qemu-doc.cps qemu-doc.dvi
267	rm -f qemu-doc.fn qemu-doc.fns qemu-doc.info qemu-doc.ky qemu-doc.kys
268	rm -f qemu-doc.log qemu-doc.pdf qemu-doc.pg qemu-doc.toc qemu-doc.tp
269	rm -f qemu-doc.vr
270	rm -f config.log
271	rm -f linux-headers/asm
272	rm -f qemu-tech.info qemu-tech.aux qemu-tech.cp qemu-tech.dvi qemu-tech.fn qemu-tech.info qemu-tech.ky qemu-tech.log qemu-tech.pdf qemu-tech.pg qemu-tech.toc qemu-tech.tp qemu-tech.vr
273	for d in $(TARGET_DIRS); do \
274	rm -rf $$d || exit 1 ; \
275        done
276	if test -f pixman/config.log; then make -C pixman distclean; fi
277	if test -f dtc/version_gen.h; then make $(DTC_MAKE_ARGS) clean; fi
278
279KEYMAPS=da     en-gb  et  fr     fr-ch  is  lt  modifiers  no  pt-br  sv \
280ar      de     en-us  fi  fr-be  hr     it  lv  nl         pl  ru     th \
281common  de-ch  es     fo  fr-ca  hu     ja  mk  nl-be      pt  sl     tr \
282bepo
283
284ifdef INSTALL_BLOBS
285BLOBS=bios.bin sgabios.bin vgabios.bin vgabios-cirrus.bin \
286vgabios-stdvga.bin vgabios-vmware.bin vgabios-qxl.bin \
287acpi-dsdt.aml q35-acpi-dsdt.aml \
288ppc_rom.bin openbios-sparc32 openbios-sparc64 openbios-ppc \
289pxe-e1000.rom pxe-eepro100.rom pxe-ne2k_pci.rom \
290pxe-pcnet.rom pxe-rtl8139.rom pxe-virtio.rom \
291efi-e1000.rom efi-eepro100.rom efi-ne2k_pci.rom \
292efi-pcnet.rom efi-rtl8139.rom efi-virtio.rom \
293qemu-icon.bmp qemu_logo_no_text.svg \
294bamboo.dtb petalogix-s3adsp1800.dtb petalogix-ml605.dtb \
295multiboot.bin linuxboot.bin kvmvapic.bin \
296s390-zipl.rom \
297s390-ccw.img \
298spapr-rtas.bin slof.bin \
299palcode-clipper
300else
301BLOBS=
302endif
303
304install-doc: $(DOCS)
305	$(INSTALL_DIR) "$(DESTDIR)$(qemu_docdir)"
306	$(INSTALL_DATA) qemu-doc.html  qemu-tech.html "$(DESTDIR)$(qemu_docdir)"
307	$(INSTALL_DATA) QMP/qmp-commands.txt "$(DESTDIR)$(qemu_docdir)"
308ifdef CONFIG_POSIX
309	$(INSTALL_DIR) "$(DESTDIR)$(mandir)/man1"
310	$(INSTALL_DATA) qemu.1 "$(DESTDIR)$(mandir)/man1"
311ifneq ($(TOOLS),)
312	$(INSTALL_DATA) qemu-img.1 "$(DESTDIR)$(mandir)/man1"
313	$(INSTALL_DIR) "$(DESTDIR)$(mandir)/man8"
314	$(INSTALL_DATA) qemu-nbd.8 "$(DESTDIR)$(mandir)/man8"
315endif
316endif
317ifdef CONFIG_VIRTFS
318	$(INSTALL_DIR) "$(DESTDIR)$(mandir)/man1"
319	$(INSTALL_DATA) fsdev/virtfs-proxy-helper.1 "$(DESTDIR)$(mandir)/man1"
320endif
321
322install-datadir:
323	$(INSTALL_DIR) "$(DESTDIR)$(qemu_datadir)"
324
325install-localstatedir:
326ifdef CONFIG_POSIX
327ifneq (,$(findstring qemu-ga,$(TOOLS)))
328	$(INSTALL_DIR) "$(DESTDIR)$(qemu_localstatedir)"/run
329endif
330endif
331
332install-confdir:
333	$(INSTALL_DIR) "$(DESTDIR)$(qemu_confdir)"
334
335install-sysconfig: install-datadir install-confdir
336	$(INSTALL_DATA) $(SRC_PATH)/sysconfigs/target/target-x86_64.conf "$(DESTDIR)$(qemu_confdir)"
337
338install: all $(if $(BUILD_DOCS),install-doc) install-sysconfig \
339install-datadir install-localstatedir
340	$(INSTALL_DIR) "$(DESTDIR)$(bindir)"
341ifneq ($(TOOLS),)
342	$(INSTALL_PROG) $(STRIP_OPT) $(TOOLS) "$(DESTDIR)$(bindir)"
343endif
344ifneq ($(HELPERS-y),)
345	$(INSTALL_DIR) "$(DESTDIR)$(libexecdir)"
346	$(INSTALL_PROG) $(STRIP_OPT) $(HELPERS-y) "$(DESTDIR)$(libexecdir)"
347endif
348ifneq ($(BLOBS),)
349	set -e; for x in $(BLOBS); do \
350		$(INSTALL_DATA) $(SRC_PATH)/pc-bios/$$x "$(DESTDIR)$(qemu_datadir)"; \
351	done
352endif
353ifeq ($(CONFIG_GTK),y)
354	$(MAKE) -C po $@
355endif
356	$(INSTALL_DIR) "$(DESTDIR)$(qemu_datadir)/keymaps"
357	set -e; for x in $(KEYMAPS); do \
358		$(INSTALL_DATA) $(SRC_PATH)/pc-bios/keymaps/$$x "$(DESTDIR)$(qemu_datadir)/keymaps"; \
359	done
360	for d in $(TARGET_DIRS); do \
361	$(MAKE) -C $$d $@ || exit 1 ; \
362        done
363
364# various test targets
365test speed: all
366	$(MAKE) -C tests/tcg $@
367
368.PHONY: TAGS
369TAGS:
370	rm -f $@
371	find "$(SRC_PATH)" -name '*.[hc]' -exec etags --append {} +
372
373cscope:
374	rm -f ./cscope.*
375	find "$(SRC_PATH)" -name "*.[chsS]" -print | sed 's,^\./,,' > ./cscope.files
376	cscope -b
377
378# documentation
379MAKEINFO=makeinfo
380MAKEINFOFLAGS=--no-headers --no-split --number-sections
381TEXIFLAG=$(if $(V),,--quiet)
382%.dvi: %.texi
383	$(call quiet-command,texi2dvi $(TEXIFLAG) -I . $<,"  GEN   $@")
384
385%.html: %.texi
386	$(call quiet-command,LC_ALL=C $(MAKEINFO) $(MAKEINFOFLAGS) --html $< -o $@, \
387	"  GEN   $@")
388
389%.info: %.texi
390	$(call quiet-command,$(MAKEINFO) $< -o $@,"  GEN   $@")
391
392%.pdf: %.texi
393	$(call quiet-command,texi2pdf $(TEXIFLAG) -I . $<,"  GEN   $@")
394
395qemu-options.texi: $(SRC_PATH)/qemu-options.hx
396	$(call quiet-command,sh $(SRC_PATH)/scripts/hxtool -t < $< > $@,"  GEN   $@")
397
398qemu-monitor.texi: $(SRC_PATH)/hmp-commands.hx
399	$(call quiet-command,sh $(SRC_PATH)/scripts/hxtool -t < $< > $@,"  GEN   $@")
400
401QMP/qmp-commands.txt: $(SRC_PATH)/qmp-commands.hx
402	$(call quiet-command,sh $(SRC_PATH)/scripts/hxtool -q < $< > $@,"  GEN   $@")
403
404qemu-img-cmds.texi: $(SRC_PATH)/qemu-img-cmds.hx
405	$(call quiet-command,sh $(SRC_PATH)/scripts/hxtool -t < $< > $@,"  GEN   $@")
406
407qemu.1: qemu-doc.texi qemu-options.texi qemu-monitor.texi
408	$(call quiet-command, \
409	  perl -Ww -- $(SRC_PATH)/scripts/texi2pod.pl $< qemu.pod && \
410	  $(POD2MAN) --section=1 --center=" " --release=" " qemu.pod > $@, \
411	  "  GEN   $@")
412
413qemu-img.1: qemu-img.texi qemu-img-cmds.texi
414	$(call quiet-command, \
415	  perl -Ww -- $(SRC_PATH)/scripts/texi2pod.pl $< qemu-img.pod && \
416	  $(POD2MAN) --section=1 --center=" " --release=" " qemu-img.pod > $@, \
417	  "  GEN   $@")
418
419fsdev/virtfs-proxy-helper.1: fsdev/virtfs-proxy-helper.texi
420	$(call quiet-command, \
421	  perl -Ww -- $(SRC_PATH)/scripts/texi2pod.pl $< fsdev/virtfs-proxy-helper.pod && \
422	  $(POD2MAN) --section=1 --center=" " --release=" " fsdev/virtfs-proxy-helper.pod > $@, \
423	  "  GEN   $@")
424
425qemu-nbd.8: qemu-nbd.texi
426	$(call quiet-command, \
427	  perl -Ww -- $(SRC_PATH)/scripts/texi2pod.pl $< qemu-nbd.pod && \
428	  $(POD2MAN) --section=8 --center=" " --release=" " qemu-nbd.pod > $@, \
429	  "  GEN   $@")
430
431dvi: qemu-doc.dvi qemu-tech.dvi
432html: qemu-doc.html qemu-tech.html
433info: qemu-doc.info qemu-tech.info
434pdf: qemu-doc.pdf qemu-tech.pdf
435
436qemu-doc.dvi qemu-doc.html qemu-doc.info qemu-doc.pdf: \
437	qemu-img.texi qemu-nbd.texi qemu-options.texi \
438	qemu-monitor.texi qemu-img-cmds.texi
439
440# Add a dependency on the generated files, so that they are always
441# rebuilt before other object files
442ifneq ($(filter-out %clean,$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
443Makefile: $(GENERATED_HEADERS)
444endif
445
446# Include automatically generated dependency files
447# Dependencies in Makefile.objs files come from our recursive subdir rules
448-include $(wildcard *.d tests/*.d)
449